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Find the exact value of each expression a) log3 12 − log3 28 + log3 63 b)log5 80 − log5 50 − log5 40?

1 Answers

If the base is same, you can combine the rest. In this case =log3(12 * 63 /28) = log3(27) = log3(3^3)=3log3(3)=3*1=1... Show More

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